Kenwood KRC-19A, Руководство по обслуживанию

Страница: 9 / 19

G I F H K J M L O N A C E B D
2
1
3
5
7
4
6
KRC-19A/G,289
0V
0V
5V
0V
5V
0V
5V
0V
5V
5.0V
10.2V
5.0V
5.0V
14.4V
14.2V 8.2V
0V
5V
5V
0V
0V
5V
5V
0V
0V 0V
5.0V
0V
5V
5V
0V
5V
0V
0V
5V
5V
13.6V
14.4V
14.4V
14.4V
13.6V
10.2V
0V
0V or 5.0V
5V
0V
5V
0V
5V
0V
0V
5.0V
0V
5.0V
0V 0V 0V 0V
1.3V 0.8V 3.5V 0V 8.2V 3.5V 0.8V 1.3V
0V
7.3V 4.9V 7.3V
14.4V
7.3V
0V
7.3V 7.3V 7.2V 7.2V
0V
7.2V 7.2V 7.3V 7.3V
0V
7.3V
14.4V
7.3V 3.3V 7.3V
0V
5V
0V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5.0V
4.0V 4.0V 4.0V 4.0V 4.0V 4.0V
4.0V 4.0V 4.0V 4.0V 4.8V
4.0V
0V
5V
0V
5V
0V
8.2V
8.2V
8.2V
8.2V
8.2V
8.2V
3.8V(FM),3.5V(AM)
8.2V
5.1V
3.4V
0V
4V
0V
4V
0V
5V
B LINE
AM+B
13
4
3
12 8
7 11
2
1
6 10
5 9
19
23
20
21
22
AUDIO OUT
SD
S-METER
IF1+B
14
17
18
VDD 5V
IF2+B
15
16
SDA
SCL
DIG GND
10
11
12
13
OSC GND
VT
PLL+B
IFC OUT
7
8
9
OSC GND
OSC GND
OSC GND
FM ANT
3
4
5
6
AM ANT
OSC GND
FM+B
1
2
RF GND
10u16
C450
+
270
R450
10u16
C451
R451
R454 100
R452
30K
2 Lch
R453
30K
R455 100
+
270
1 Rch
16 15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
FL+
RL+
FL-
RL- FR-
RR-
FR+
RR+
P-ANT
P-CON
ACC
B.U
GND
19 23 17
21
9 3 7 5
R412 100
R410 4.7K
R409 4.7K
R402 10
R411 100
R406 4.7K
R407 4.7K
R408 1K
R403 100
7
6
5
35
34
1
12
32
11
10 0.47u50
C401
+
R401
C402 0.47u50
+
R400 4.7 C400 22u6.3
+
R405 100K
R404 100K
R413 100K
17 23
21
19
L1
140uH
3300u16
C50
+
6
5
4
3
2
1
T.MUTE
GND
MOT GND
MOT +B
PACK IN
GND
10K
R261
1K
R260
43K
R57
0.01
C52
47K R55
33K
R52
10K
R54
4.7K
R370
Q370
R351
1K
R352
3.3u25
C350
+
22K
C351
0.1u50
C352
+
R353
0.068
4.7K
R16
0.22u50
C18
0.22u50
C17
4.7K
R15
0.22u50
C15
4.7K
R13
0.22u50
C16
R14 4.7K
100u10
C159
+
+
C160
10u16
R152 1K
R151 4.7K
R153 91K
430
180K
C162 1u50
+
R157 100 R158 33K
0.01
R155
R156
22 23 24 25
0.01
C151
47u10
C150
+
L3 4.7uH
0.1
C506
4.7K
R150
0.1
C155
0.015
C153
0.22
C154
0.033
150P
C157
C156
7 5 6
0.22 0.22
1u50 C152
+
23
IF1 GND
IF2 GND
0.01
C200
W200
0.01
C201
22K
R203
22K
R201
1K
R202
1K
R200
R205
150
9
8
L9 4.7uH
63
10
C206 47u10
+
1
2
3
4
5
FWD/REV
GND
HEAD R
HEAD COM
HEAD L
0.047
C251
10K
R251
1500P
C2
1500P
C1
22K
R1
22K
R2
12
11
10
9
8
7
6
5
4
3
2
1
PA
N
S
W
L
D
ATA
S
L
CLK
L C
E
L
D
ATA
L
u GND
P
AN5V
RESET
ILL
GND
LAMP
+B
ESD GND
R322 2.2K
R301 1K R303 1K R305 1K R304 1K
27K 47K
R320 R321
R324
100u16
C57
+
R62
100u10
C58
+
1K
R64
1K
R63
R65
2.2 1/2W
R66
2.2 1/2W
4.7K 2.7K
R207 R206
3 4
25 23
36
32 34 35
37
38
5 4 6 3
67
28
15
62
40
C56
100u6.3
+
10u10
R58
22K
100 R59
C55
+
C54
0.01
100u16
+
39
1K
R67
3 7 5 9
44
GND
7
R160 47K
6
5
4
3
C164 0.01
2
1
9
8
11
10
12
13
VDD
14
+
0.022
3
C7
120K
R7
100u10
100
+
100P
C5
C9
R5 6.8K
R3
L I
N
8
L N
F
L
OUT
7 6
C3
47u6.3
4
10
R250 120K
R8
C250
100u10
R6 6.8K
+
C8
0.022
C10
100u10
R4 100
GND
VCC
R OUT
5 4
100P
C6
R NF
3 2
+
+
C4
47u6.3
R IN
1
1/2W
16
7
24 22
13
C53
25
26
0-22
MODEL NAME
KRC-289
UNIT NO.
0-21
NO YES
R120
KRC-19A/G
YES
NO
R121
F1 (10A)
3.3K
R50
1/2W
61
R371
Q371
R373
1K
1K
R372
22K
40
W104
1
2 3 4 5 6 7 8 9
10
11
12 13 14 15 16 17 18 19 20
21
22 23 24 25
TA
B
GND RR- STBY RR+ VCC FR- GND FR+ SVR FRI RRI GND FLI RLI AC GND RL+ GND RL- VCC FL+ MUTE FL- GND CD
R159 100K
28 27 26 25 24 23 22 21 20 19 18 17 16 15
AC OUT
L
AC OUT
R
CREF
OUT
LF
OUT
RF
OUT
LR
OUT
RR
VDD GND SDA
SCL
S MUTE
MUX R MUX L
1
2 3
4
5 6 7 8 9
10
11
12 13 14
AC IN L AC IN R T
APE R
T
APE L
CDR CDRG CDL CDLG PHONE AM MPX LEVEL
1
MP
IN
MP
OUT
54
64
C13 C14
L4
(X86-3320-11)
52mH
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
65 66 67 68 69 70
71
72 73 74 75 76 77 78 79 80
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
ANT
CON
P
CON
AMP
MUTE
AMP
STBY
SVR
REQ H
CH CON
MUTE
REQ C
VDD
GND GND
FF/REW P
A
CK IN
FM+B AM+B
SCL
MOTOR
CH CLK
DATA H
DATA C
SD
PLL CLK
PLL DATA
SDA
L CE
L CLK
L DATA S
L DATA L
GND
XIN
GND GND HOLD VDD GND GND VDD GND GND VSS GND XOUT
SW5V
ILL
BEEP
ROLL OFF
NOISE CANCELLER
SEL1
SEL2
EQ MUTE
FWD/REV
REMO
ACC DET
B.U. DET
S METER
PANEL
R110 47K
R108 47K
38 37 36
27 28
26 25
27
R154 750
C161 1u50
+
61
62
41
44
∗
R120 47K
R122 47K
∗
R121 47K
54
64 67
X1
4.5MHz
C103
22P
C102
22P
6
4
3
5
9
10
7
8
11
12
13
R116 4.7K
R119 2.2K
R118 2.2K
1K
10
R306 1K
63
Q301
15
2
2
R131 10K
R114 22K
16
R106 1K
47K
47K
R127
R126
C452
NO YES
1
BU
YEL
ACC
GND
BLK
RED
BLU/WHT
11
10
9
2
3
1
P. CONT OUT
REAR R
VIOL
VIOL/BLK
REAR L
GRN/BLK
GRN
BLU
GRY
GRY/BLK
14
13
12
6
5
4
WHT/BLK
WHT
16
15
8
7
ANT. CONT
FRONT R
FRONT L
A GND
REQ C
DATA C
8 B.U. 3
CON
MUTE
4
5 9
10
GND
REQ H 1
2
9
6
7
CLK Rch 13
10 6
RST
11
12
7 5
DATA H
Lch
13 11 12 8 4 3
1
2
39
TH1
0.01
C101
47K
R125
R105
R132 100K
2.2M
R103
R138
22K
47K
R137
1K
R1
15
P1
47u6.3
C320
+
47
R323
1/2W
1/2W
1/2W
T.MUTE
GND
MOT GND
MOT+B
GND
PACK IN
Lch
1
2
FWD
REV
Rch
Ref.99
6
3
4
5
Q261
1K 1/2W
Q350
Q351,352
Q51,52
Q151
Q153
IC3
Q320
10K
Q54,55
IC2
Q150
J4
A1
REAR PREOUT
Q450
J5
Q451
J2
D400
D401
D408
D405
D41
1
D409
D404
D50
WH1
D261
D260
Q260
D52
D51
Q50
B.U. DET.
D370
DRIVER
ANT-CON.
Q350
P-CON.
Q351
D352
Q353
Q352
Q151
D151
D152 D150
Q150
Q201
D200
Q203
FM+B SW
ANT
J1
CN1
J3
Q320
Q55
Q54
D55
Q56
Q57
+B SW
Q301
Q53
B.U. 5V AVR
Q52
Q51
D53
D54
Q58
Q60
Q61
Q59
D56
Q153
GND LINE
SIGNAL LINE
(X14-657x-xxx)
A
Q371
Q261
DRIVER
COM
IC1 :
IC2 : TDA7461ND
LC72366-9592
IC3 : HD74HC27FP
IC4 : TDA7384A
IC5 : LA3161
Q50,52,57,61
: 2SC2412K or
2SD601A
Q51,261 : 2SB1443
Q53 : DTA114YK
Q54,58 : DTC144EK or
UN2213
Q55,59,153,352
: DTA124EK or
UN2212
Q56,60 : 2SB1655(E,F) or
2SB1565(E,F) or
2SB1548(P)
Q201,203,350,370
: 2SB1277(Q,R)
Q301 : DTA144EK or
UN2113
Q320,351 : 2SA1037K
Q450,451 : DTC143TK or
UN2216
D50 : S2V20 A
D51,405,411
: MA4068(N)-M or
D52 : MA4051-L
D53,260,261,370,371
: AM01Z or
ERA15-01 or
DSM1SD2
HZS7A3L
D54 : MA4056(N)-M
D55 : MA4091(N)-L
D56 : MA4110-L
D100,150-152,352
: 1SS133
D200 : MA4051(N)-M
Q200
Q202
TOP VIEW J4
J1
X13-
2/2
D371
Q370
D100
Q150,200,202
UN2212
DTC124EK or :
Q151,260,353,371
UN2214
DTC114YK or :
MA4062-L
D400,401,404,408,409
:
HD1
S3
M
M1
S1
S2
ILLUMI.
+B SW
ILLUMI.
+B AVR
DRIVER
MOTOR+B
+B SW
MOTOR
POWER IC
P-CON.
SW
P-CON.
PROTECT.
SW 5V
DRIVER
SYSTEM u-COM
RESET
CHANGER
SW
SVR DISCHARGE SW
PRE MUTE
DRIVER
MUTE
PANEL 5V
SW
COM+B
AVR
TAPE EQ AMP
ELECTRIC
VOLUME
MUTE
PRE
SW
FM+B
DRIVER
AM+B
DRIVER
AM+B
SW
FRONT-END
E-VOLUME
MUTE SW
L8 4.7uH
B
41
∗
B
SW
ANT-CON.
C163 0.01
0.01
C321
0.01
C202
22K
R129
1
2
6
3
4
5
4.7K 4.7K
47K
47K
22K
10K
47K
22K
22K
47K
10K
47K
47K
47K
10K
22K
22K
47K
10K
22K
22K
47K
22K
47K
22K
22K
22K
22K
22K
47K
10K
22K
IC3
IC5
KRC-19A/19G/289 (1/2)
SYNTHESIZER UNIT (X14-657x-xx)
IC4
IC2
IC1
DC1
(E30-4784-05)
KRC-289 (M)
A
ME1 (D40-1136-05)
10K
R161
KRC-19A/G
(E30-4790-05)
DC2
RL-
ACC
YEL
9
TEL MUTE
BRN
12
11
10
VIOL/BLK
GRN/BLK
RR+
RR-
RL-
VIOL
15
13
14
RL+
GRN
16
1 3 5 7
RR+ RL+
FL+ FL-
FR- RR- FR+
RED
2
2
6 8
5 7
4
1 3
6 8
GND
4
BU
P-CON
B
A
YEL
BLK
1
ANT. CON
P. CON
BLU/WHT
BLU/WHT
RED
4
2
3
GRY/BLK
WHT/BLK
GRY
7
6
5
FR-
FR+
FL-
WHT
8 FL+
∗
A
CAUTION: For continued safety, replace safety
critical components only with manufacturer's
recommended parts (refer to parts list).
indicates
safety critical components. For continued protection
against risk of fire, replace only with same type and
rating fuse(s). To reduce the risk of electric shock,
leakage-current or resistance measurements shall
be carried out (exposed parts are acceptably
insulated from the supply circuit) before the
appliance is returned to the customer.
Manufacture under license from Dolby Laboratories.
"Dolby" and the double-D symbol are trademarks of
Dolby Laboratories.
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